Technical Inovation - Superior Corner Cutting At 43 Degrees (Approximately 1.5 Cubies) And 3/4 A Cubie Reverse Engineering. Different From The Traditional Ones, The Edge Pieces Are Assembled By 2 Parts, And Corner Pieces By 3 Parts To Provide Better Stability Smooth And Fast Turning - With Rounded Corners To Ensure Good Fault Tolerance, You Can Turn Easier Without Jam When ItS Slightly Off Centered, But No Need To Worry About Falling Apart. It Has Very Smooth Surface, No Burr, Which Makes It More Slippery And Speedy To Turn, With This Cube You Can Against The Word Record Of 4.90 Second With Aid Of Enclosed English Sulution Guide Durable And Bright Colors - Crafted With Eco-Friendly Abs Material, Non-Toxic And No Peculiar Smell, Stickers Material Is Superior Pvc With A Smooth Glossy Finish And Bright Colors. Meanwhile The Stickers Is Very Durable And Waterproof, The Colors WonT Fading Even You Play It Every Day, And WonT Broken When You Drop It Great For Carrying - It Is About 2 3/16 Inches Across (57*57*57 Mm, 68G), Can Easily Fit In Your Bag Or Pockets, Very Portable For Carrying, You Can Take It Anywhere And Play It At Anytime You Like, Even On The Plane Ultimate Gift Idea - The Speed Cube Is A Fun, Inexpensive, And Unique Gift For Everyone. It Can Also Keep Mom And Dad In Quick-Wittedness Against AlzheimerS. You Can Get A Memory Jog With This Cube. Classics That Never Go Out Of Style